partial void OnFocusStateChangedPartial(FocusState focusState)
{
if (_textBoxView == null)
{
return;
}
if (focusState == FocusState.Unfocused)
{
if (_textBoxView.IsFocused)
{
_textBoxView.ClearFocus();
}
}
else
{
if (!_textBoxView.IsFocused)
{
using (focusState == FocusState.Programmatic ? PreventKeyboardDisplayIfSet() : null)
{
_textBoxView.RequestFocus();
var selectionStart = this.SelectionStart;
if (selectionStart == 0)
{
int cursorPosition = selectionStart + _textBoxView?.Text?.Length ?? 0;
this.Select(cursorPosition, 0);
}
}
}
}
}
partial void OnFocusStateChangedPartial(FocusState focusState)
{
if (_textBoxView == null)
{
return;
}
if (focusState == FocusState.Unfocused)
{
if (_textBoxView.IsFocused)
{
_textBoxView.ClearFocus();
}
}
else
{
if (!_textBoxView.IsFocused)
{
using (focusState == FocusState.Programmatic ? PreventKeyboardDisplayIfSet() : null)
{
_textBoxView.RequestFocus();
}
}
}
}
public override bool RequestFocus(FocusSearchDirection direction, Rect previouslyFocusedRect)
{
using (PreventKeyboardDisplayIfSet())
{
var wantsFocus = (_textBoxView?.RequestFocus(direction, previouslyFocusedRect))
.GetValueOrDefault(false);
if (wantsFocus && FocusState == FocusState.Unfocused)
{
Focus(FocusState.Programmatic);
}
return(wantsFocus);
}
}